Calendar support for LocalDate and LocalDateTime

[vanuatoo]

Hello,

I use PrimeFaces 6.2 with JSF 2.3 and found inconvenient that p:calendar uses java.util.Date as a binding value.
I think it would be better to support LocalDate and LocalDateTime instead.

[Melloware]

I think it already might support it in some way?

https://github.com/primefaces/primefaces/issues/839

https://github.com/primefaces/primefaces/issues/990

https://github.com/primefaces/primefaces/issues/3072

[tandraschko]

You can easily add a converter. We will take care of it, to make it usable without converter, when PF swichtes to java8.

[LarsD]

Converter code

html:

Code: Select all

<p:calendar
	converter="#{....calenderDateTimeConverter}"
	converterMessage="..."
 />

java:

Code: Select all

public Converter getCalenderDateTimeConverter() {
		return new Converter() {

			@Override
			public Object getAsObject(
					FacesContext context,
					UIComponent component,
					String value) {
				return value;
			}

			@Override
			public String getAsString(
					FacesContext context,
					UIComponent component,
					Object value) {
				return value.toString();
			}
		};
	}

For LocalDateTime the ToString-method is defined like this:
"Outputs this date-time as a String, such as 2007-12-03T10:15:30."
See https://docs.oracle.com/javase/8/docs/a ... eTime.html

kind regards
Lars

[tandraschko]

You can also add it globally with @FacesConvert and setting the type.

[kukeltje]

You can also add it globally with @FacesConvert and setting the type.

+1

[tandraschko]

Thats my converter

Code: Select all

@Named
@ApplicationScoped
@FacesConverter(forClass = LocalDate.class)
public class LocalDateTimeConverter implements Converter
{
    @Override
    public Object getAsObject(FacesContext context, UIComponent component, String value)
    {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(extractPattern(component, context));
        try
        {
            return LocalDate.parse(value, formatter);
        }
        catch (Exception e)
        {
            return null;
        }
    }

    @Override
    public String getAsString(FacesContext context, UIComponent component, Object value)
    {
        if (value == null || (value instanceof String && StringUtils.isBlank((String) value)))
        {
            return "";
        }

        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(extractPattern(component, context));
        return formatter.format((LocalDate) value);
    }

    private String extractPattern(UIComponent component, FacesContext context)
    {
        // try to get infos from calendar component
        if (component instanceof Calendar)
        {
            Calendar calendarComponent = (Calendar) component;
            return calendarComponent.getPattern();
        }

        return null;
    }
}

[kukeltje]

+2 but...

https://stackoverflow.com/questions/348 ... r/34924587

[vished]

Did you implement this already in PF 7 ?
Or do we have to create a converter still on our own?

[Melloware]

Its slated for 7.1 and no one has fixed it yet: https://github.com/primefaces/primefaces/issues/4646